package com.atguigu.jxc.service.impl;

import com.atguigu.jxc.dao.GoodsDao;
import com.atguigu.jxc.domain.ErrorCode;
import com.atguigu.jxc.domain.ServiceVO;
import com.atguigu.jxc.domain.SuccessCode;
import com.atguigu.jxc.entity.Goods;
import com.atguigu.jxc.service.GoodsService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @description
 */
@Service
public class GoodsServiceImpl implements GoodsService {

    @Autowired
    private GoodsDao goodsDao;

    @Override
    public ServiceVO getCode() {

        // 获取当前商品最大编码
        String code = goodsDao.getMaxCode();

        // 在现有编码上加1
        Integer intCode = Integer.parseInt(code) + 1;

        // 将编码重新格式化为4位数字符串形式
        String unitCode = intCode.toString();

        for(int i = 4;i > intCode.toString().length();i--){

            unitCode = "0"+unitCode;

        }
        return new ServiceVO<>(SuccessCode.SUCCESS_CODE, SuccessCode.SUCCESS_MESS, unitCode);
    }

    @Override
    public Map<String, Object> getInventoryByPages(Integer page, Integer rows, String codeOrName, String goodsTypeId) {
        Map<String, Object> map=new HashMap<>();
        int total=goodsDao.getTotalCount(codeOrName,goodsTypeId);

        int start=(page-1)*rows;

        List<Goods> list=goodsDao.getRows(start,rows,codeOrName,goodsTypeId);
        System.out.println(list.get(0)+"11111111111111");
        map.put("total",total);
        map.put("rows",list);
        return map;
    }

    @Override
    public ServiceVO saveGoods(Goods goods) {
        if (goods.getGoodsId()!=null){
            //修改
            goodsDao.updateById(goods);
        }else {
            //添加
            goods.setGoodsCode((String) getCode().getInfo());
            goods.setLastPurchasingPrice(goods.getPurchasingPrice());
            goods.setInventoryQuantity(0);
            goods.setState(0);
            goodsDao.insert(goods);
        }
        return new ServiceVO<>(SuccessCode.SUCCESS_CODE, SuccessCode.SUCCESS_MESS);

    }


    @Override
    public ServiceVO deleteGoods(Integer goodsId) {
        Goods goods = goodsDao.selectById(goodsId);
        if (goods.getGoodsId() != null){
            //如果存在删除
            goodsDao.deleteById(goodsId);
        }
        return new ServiceVO<>(SuccessCode.SUCCESS_CODE, SuccessCode.SUCCESS_MESS);
    }

    @Override
    public Map<String, Object> getNoInventoryQuantity(Integer page, Integer rows, String nameOrCode) {
        Map<String, Object> map = new HashMap<>();
        page = page == 0 ? 1 : page;
        int offSet = (page - 1) * rows;
        List<Goods> goodsList = goodsDao.getNoInventoryQuantity(offSet, rows, nameOrCode);
        int total=goodsList.size();
        map.put("total",total);
        map.put("rows", goodsList);
        return map;
    }

    @Override
    public Map<String, Object> getHasInventoryQuantity(Integer page, Integer rows, String nameOrCode) {
        Map<String, Object> map = new HashMap<>();
        page = page == 0 ? 1 : page;
        int offSet = (page - 1) * rows;
        List<Goods> goodsList = goodsDao.getHasInventoryQuantity(offSet, rows, nameOrCode);
        int total=goodsList.size();
        map.put("total",total);
        map.put("rows", goodsList);
        return map;
    }

    @Override
    public ServiceVO saveStock(Integer goodsId, Integer inventoryQuantity, double purchasingPrice) {
        Goods goods = goodsDao.selectById(goodsId);
        goods.setInventoryQuantity(inventoryQuantity);
        goods.setPurchasingPrice(purchasingPrice);
        deleteStock(goodsId);
        goodsDao.insert(goods);
        return new ServiceVO<>(SuccessCode.SUCCESS_CODE, SuccessCode.SUCCESS_MESS);
    }

    @Override
    public ServiceVO deleteStock(Integer goodsId) {
        Goods goods = goodsDao.selectById(goodsId);
        if (goods.getState() == 2){
            return new ServiceVO<>(ErrorCode.HAS_FORM_ERROR_CODE, ErrorCode.HAS_FORM_ERROR_MESS);
        }
        goods.setInventoryQuantity(0);
        goodsDao.deleteById(goodsId);

        return new ServiceVO<>(SuccessCode.SUCCESS_CODE, SuccessCode.SUCCESS_MESS);
    }

    @Override
    public Map<String, Object> listAlarm() {
        Map<String, Object> map = new HashMap<>();
        List<Goods> list = goodsDao.listAlarm();
        map.put("rows", list);

        return map;
    }
}
